15 <serial port – COMMELL LV-672 User Manual

Page 31

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LV-672 User’s Manual Hardware Setup

Serial Port

31

2.15 <Serial Port>

The board has two RS232 serial ports on real I/O panel, and onboard one 3-pin additional

TXD/RXD connector for POS application.

Connector: CN_TXD/RXD

Connector type: onboard 3-pin header (pitch = 2.00mm)

Pin Number

Pin Assignment

1 TXD
2 RXD
3 Ground

CN_TXD/RXD

COM2

COM1

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